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Catharanthus makayensis

Catharanthus makayensis is a rare perennial herb from Madagascar, known only from two sites in the Makay Massif, described in 2015 and closely related to the Madagascar periwinkle. It is a wild species with little cultivation history, so care advice is based on its native habitat and the genus.

Family
Apocynaceae (Dogbane family)
Light
Full sun
Water
Water moderately during the growing season and let the top of the soil dry out between waterings.
Soil
Free-draining sandy or gritty mix.
Temperature
18–30 °C; protect below 10 °C
How easy
Moderate
Safety
Toxic: Catharanthus species contain vinca alkaloids that are poisonous if ingested; the sources do not specify this species, so this is inferred from the genus.
Native range
Madagascar
Climate
seasonally dry tropical

About

Catharanthus makayensis is a species of flowering plant in the family Apocynaceae, endemic to Madagascar. It was first described in 2015.

Where it grows

Catharanthus makayensis is endemic to Madagascar. When first described in 2015, it was known only from two locations about 20 km (12 miles) apart in the Makay Massif. Plants were growing in sandy ground on riverbanks, and in moist areas among rocks, at elevations of 400–600 m (1,300–2,000 ft).

Other Catharanthus plants

Catharanthus coriaceus · Catharanthus lanceus · Catharanthus longifolius · Catharanthus ovalis · Tiny Periwinkle · Madagascar Periwinkle · Catharanthus scitulus · Catharanthus trichophyllus · Periwinkle

Text excerpted from the Wikipedia article Catharanthus makayensis by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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